Has anyone spent double the price to just get a Raspberry Pi? Literally, impossible to get one without having to shill out the premium. Intel NUCs are just too expensive as well, but seem available.
Holding 0.28 BTC means you have more BTC than 99% of the world’s population can ever own.
Hello Umbrel...
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Installing Umbrel...
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Nice. I am going to have to consume that information later on today on my down time. Thanks for providing the info.
Excellent background information here!
Interesting. I was trying to understand the difference between an octet and a byte. Both mean the same thing essentially (8-bits). However, octet is used to remove any ambiguity.
The byte, is typically used to describe storage units that vary in sizes. Octet, is common in telecommunications and networking contexts.
So, the difference between octet and byte is mostly in the usage and context. They both refer to eight bits, but octet is more specific and unambiguous than byte.
Javascript examping of encoding to a TLV (tag-length-value)
function encodeTLV (tag, value) {
var buffer = []; // array of bytes
if (tag > 0xFF) { // check if tag is multi-byte
do {
buffer.unshift(tag & 0xFF); // write last byte of tag
tag >>= 8; // remove last byte of tag
} while (tag); // until tag is zero
buffer[0] |= 0x80; // set bit 7 of first byte of tag
} else {
buffer.push(tag); // write one byte for tag
}
var length = value.length; // get length of value in bytes
if (length > 0x7F) { // check if length is multi-byte
var bytes = Math.ceil(Math.log2(length + 1) / 8); // number of bytes for length
buffer.push(0x80 | bytes); // write one byte with bit 7 set and number of bytes for length
for (var i = bytes - 1; i >= 0; i--) {
buffer.push((length >> (8 * i)) & 0xFF); // write more bytes for length
}
} else {
buffer.push(length); // write one byte for length
}
buffer = buffer.concat(value); // append value bytes to buffer
return Buffer.from(buffer); // return buffer as a Buffer object
}
Javascript example of parsing a TLV (tag-length-value)
function parseTLV (buffer) {
var offset = 0; // current position in buffer
var tlvArray = []; // array of TLV objects
while (offset < buffer.length) {
var tag = buffer[offset++]; // read one byte for tag
if (tag & 0x1F === 0x1F) { // check if tag is multi-byte
do {
tag = (tag << 8) + buffer[offset++]; // read more bytes for tag
} while (tag & 0x80); // until last byte has bit 7 cleared
}
var length = buffer[offset++]; // read one byte for length
if (length & 0x80) { // check if length is multi-byte
var bytes = length & 0x7F; // number of bytes for length
length = 0; // reset length to zero
for (var i = 0; i < bytes; i++) {
length = (length << 8) + buffer[offset++]; // read more bytes for length
}
}
var value = buffer.slice(offset, offset + length); // read value bytes
offset += length; // update position in buffer
tlvArray.push({tag: tag, length: length, value: value}); // add TLV object to array
}
return tlvArray;
}
Currently working on how to parse a TLV (type-length-value) using Javascript. The concept seems easy enough.
https://en.wikipedia.org/wiki/Type%E2%80%93length%E2%80%93value
Bitcoin is money without banks or boundaries. Free your wealth and mind.
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I am so happy for him.
I don't believe we have a say in that. It's just better to put your money in hard money (bitcoin, gold, silver) to prevent such a thing.
Silicon Valley Bank, collapsed after it ran out of cash to pay its depositors. The bank had been struggling with bad loans and lawsuits from tech companies that accused it of fraud and mismanagement.
Banks can fail for various reasons, but the most common one is when they become insolvent, meaning they lack the funds to cover all of their customers’ deposits and the money they owe to others. This might happen because the bank loses too much on its investments, has problems refinancing its debt, or faces a sudden withdrawal of deposits by customers who lose faith in the bank.